<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title></title>
    <link href="__STATIC__/bootstrap/css/bootstrap.min.css" rel="stylesheet">

</head>
<body>

<div class="container">
    <form action="{:U('index/index')}" method="post" enctype="multipart/form-data">
        <input type="file" name="file">
        <input type="submit">
    </form>

</div>

</body>
</html>